21933560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 32671240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 631, 632, 790, 869, 1262, 1580, 1738, 2524, 3155, 3160, 3476, 4345, 5048, 6310, 6941, 6952, 8690, 12620, 13882, 17380, 25240, 27764, 34705, 34760, 49849, 55528, 69410, 99698, 138820, 199396, 249245, 277640, 398792, 498490, 548339, 996980, 1096678, 1993960, 2193356, 2741695, 4386712, 5483390, 10966780, 21933560]

約数ペア:

[(1, 21933560), (2, 10966780), (4, 5483390), (5, 4386712), (8, 2741695), (10, 2193356), (11, 1993960), (20, 1096678), (22, 996980), (40, 548339), (44, 498490), (55, 398792), (79, 277640), (88, 249245), (110, 199396), (158, 138820), (220, 99698), (316, 69410), (395, 55528), (440, 49849), (631, 34760), (632, 34705), (790, 27764), (869, 25240), (1262, 17380), (1580, 13882), (1738, 12620), (2524, 8690), (3155, 6952), (3160, 6941), (3476, 6310), (4345, 5048)]